Delaware Code
Subchapter I. General Provisions
§ 903. Shooting galleries; regulations; penalties.

(a) No person shall keep a gallery or booth or other convenience for the purpose of target shooting or other trials of skill by the use of firearms within the borders of any town or city, or within 300 yards of any road or public passway, within this State, or at any place of public resort, unless the gallery or booth or other convenience is enclosed with walls not less than 10 feet in height and not less than 4 inches in thickness sufficient to prevent ball or shot from the firearms from escaping from or passing through the gallery or booth.
(b) No person apparently under the influence of intoxicating liquor, a person with a mental disability or otherwise incapacitated shall be allowed by such keeper to participate in the target shooting or other trials of skill by the use of firearms in such gallery, booth or other convenience.
(c) Whoever violates this section, shall be fined not less than $50, nor more than $200, 1/2 of which shall go to the person informing and the other 1/2 to the General Fund of this State, and in default of the payment of the fine shall be imprisoned for not less than 1 nor more than 3 months.